#include <bits/stdc++.h>
using namespace std;

int cnt[100011];

int main(){
    freopen("duel.in" , "r" , stdin);
    freopen("duel.out" , "w" , stdout);
    int n;
    cin >> n;
    int mx = -1;
    for(int i = 0;i < n;i++){
        int x;
        cin >> x;
        mx = max(mx , ++cnt[x]);
    }
    cout << mx << "\n";
}
